static int bfin_lq035_fb_open(struct fb_info *info, int user)
{
unsigned long flags;
spin_lock_irqsave(&bfin_lq035_lock, flags);
lq035_open_cnt++;
spin_unlock_irqrestore(&bfin_lq035_lock, flags);
if (lq035_open_cnt <= 1) {
bfin_write_PPI_CONTROL(0);
SSYNC();
set_vcomm();
config_dma();
config_ppi();
/* start dma */
enable_dma(CH_PPI);
SSYNC();
bfin_write_PPI_CONTROL(bfin_read_PPI_CONTROL() | PORT_EN);
SSYNC();
if (!t_conf_done) {
config_timers();
start_timers();
}
/* gpio_set_value(MOD,1); */
}
return 0;
}
static int tx09_fb_open(struct fb_info *info, int user)
{
unsigned long flags;
pr_debug("%s\n", __func__);
spin_lock_irqsave(&tx09_lock, flags);
tx09_open_cnt++; /* increase counter */
spin_unlock_irqrestore(&tx09_lock, flags);
if (tx09_open_cnt <= 1) { /* opened the first time */
/* stop PPI */
WRITE_PPI_CONTROL(0);
SSYNC();
/* configure dma stuff */
config_dma();
config_ppi();
/* start dma */
enable_dma(CH_PPI);
SSYNC();
/* start PPI */
WRITE_PPI_CONTROL(READ_PPI_CONTROL() | PORT_EN);
SSYNC();
if (!t_conf_done)
config_timers();
start_timers();
}
return 0;
}